@color-font-primary: rgba(0,0,0,0.65);

.el-collapse {
  border: 1px solid #d4d4d4;
  overflow: hidden;
}
.el-collapse-item__header {
  padding-left: 13px;
  box-shadow: 0px 1px 0px 0px rgba(0,0,0,0.06);
  font-size: 14px;
  color: rgba(0,0,0,0.85);
  background: rgba(0,0,0,0.02);
}

.el-collapse-item {
  .el-collapse-item__content {
    padding: 14px 16px;
    font-size: 14px;
    color: @color-font-primary;
    background: #fff;
  }
  &:not(:last-child) {
    box-shadow: inset 0px -1px 0px 0px rgba(0,0,0,0.06);
  }
}